package com.lj.service;

import com.github.pagehelper.PageInfo;
import com.lj.pojo.Departmentlj;


public interface DepartmentService {
    PageInfo selectDepartment(int pageNum, int pageSize);
    int insertDepartment(Departmentlj departmentlj);
    int delete(String id);
    Departmentlj getById(String id);
    int update(Departmentlj departmentlj);
}
